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Nesterboy [21]
2 years ago
11

A train is moving at a speed of 50 km/h. How many hours will it take thetrain to travel 600 kilometers

Physics
1 answer:
olga_2 [115]2 years ago
5 0

Answer:

12

Explanation:

600/50 is 12 so the answer is twelve

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State how you agree or disagree with the following statement. A good circuit cannot have internal resistance.​
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Answer: I do

Explanation:

Resistance opposes current thereby reducing the amount of current that flows through a circuit. In other words, it leads to a loss of electrical energy.

Ideally speaking, a good circuit should have no internal resistance as this would lead to more energy having to be supplied to overcome that resistance. External resistance however, is not a bad thing. For instance, oxygen being removed from lightbulbs.

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You exert of force of 75 newtons on a rock. You push and you push, but you can't budge it. You are exhausted! How much work did
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What type of electromagnetic radiation is being used in the picture?
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In the eastern US, hurricanesusually form over the warm waters of the Caribbean Sea and travel north. When they are over the col
garik1379 [7]

Answer:

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8 0
3 years ago
If the spring constant is doubled , what value does the period have for a mass on a spring?
zhuklara [117]

Answer:

D. The period would decrease by sqrt (2)

Explanation:

The period of a mass-spring system is given by:

T=2\pi \sqrt{\frac{m}{k}}

where

m is the mass

k is the spring constant of the spring

If the spring constant is doubled,

k' = 2k

So the new period will be

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So the correct answer is

D. The period would decrease by sqrt (2)

8 0
3 years ago
Read 2 more answers
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